crypto: artpec6 - Simplify with of_device_get_match_data()

Driver's probe function matches against driver's of_device_id table, so
of_match_node() can be simplified with of_device_get_match_data().

This requires changing the enum used in the driver match data entries to
non-zero, to be able to recognize error case of
of_device_get_match_data().

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Acked-by: Jesper Nilsson <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/axis/artpec6_crypto.c

···
 };
 
 enum artpec6_crypto_variant {
-	ARTPEC6_CRYPTO,
+	ARTPEC6_CRYPTO = 1,
 	ARTPEC7_CRYPTO,
 };
 
···
 
 static int artpec6_crypto_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	enum artpec6_crypto_variant variant;
 	struct artpec6_crypto *ac;
 	struct device *dev = &pdev->dev;
···
 	if (artpec6_crypto_dev)
 		return -ENODEV;
 
-	match = of_match_node(artpec6_crypto_of_match, dev->of_node);
-	if (!match)
+	variant = (enum artpec6_crypto_variant)of_device_get_match_data(dev);
+	if (!variant)
 		return -EINVAL;
-
-	variant = (enum artpec6_crypto_variant)match->data;
 
 	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))